MCQ
A solution of sodium bicarbonate in water turns
- APhenolphthalein pink
- BMethyl orange yellow
- ✓Methyl orange red
- DBlue litmus red
✓
Answer
Correct option: C.
Methyl orange red
(c) $NaHC{O_3}$ in water is alkaline in nature due to hydrolysis of $HCO_3^ - $ ion.
$NaC{O_3} \rightleftharpoons N{a^ + } + HCO_3^ - $
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An aromatic ether is not cleaved by $HI$ even at $525\, K$. The compound is
→$List-I$ contains various reaction sequences and $List-II$ contains different phenolic compounds. Match each entry in $List-I$ with the appropriate entry in $List-II$ and choose the correct option.
→Which of the following cuts ultraviolet rays
Which of the following electronic configurations is not possible according to Hund's rule
The co-ordination number of cobalt in the complex $[Co{(en)_2}B{r_2}]C{l_2}$ is
→$50\, mL$ of $2\,N$ acetic acid mixed with $10\, mL$ of $1\,N$ sodium acetate solution will have an approximate $pH$ of $(K_a = 10^{-5})$
→Most reactive compound in following toward electrophilic substitution reaction is
Given :
→$(i)\, Cu^{2+} + 2e^- \rightarrow Cu\,,$ $ E^o = 0.337\, V$
$(ii)\, Cu^{2+} + e^- \rightarrow Cu^+\,,$ $ E^o = 0.153\, V$
Electrode potential, $E^o$ for the reaction,
$Cu^+ + e^- \rightarrow Cu\,,$ will be ............ $V$.
Which of the following is a good conductor of heat of electricity
The enthalpy change of which reaction corresponds to $\Delta H_f^o$ for $Na_2CO_3(s)$ at $298\, K$ ?
→